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US Patent: 3,651,724
Method and apparatus for producing card sets
Patentee: Harold W. Huffman (exact or similar names) - Hamilton, OH USPTO Classifications: 83/115, 83/116, 83/24, 83/322, 83/346, 83/88, 83/98 Tool Categories: Assignees: Hamilton Tool Co. - Hamilton, OH Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Feb. 09, 1970 Granted: Mar. 28, 1972 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Hamilton Tool Co.

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